Analysis by: Karen Ivy Titiwa
ALIASES:

Trojan:MacOS/NukeSped.D!MTB(MICROSOFT); Mac.Backdoor.38173.GC(QUICKHEAL)

 PLATFORM:

OSX

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size: 33312 bytes
File Type: Other
Memory Resident: No
Initial Samples Received Date: 12 Oct 2019
Payload: Connects to URLs/IPs

Arrival Details

This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Download Routine

This Backdoor accesses the following websites to download files:

  • https://{BLOCKED}trade.com/update_coingotrade.php

Other Details

This Backdoor does the following:

  • Tries to Download a file with connection title “CoinGoTrade 1.0 (Check Update Osx)”
  • If download is successful, saves the downloaded file in “/private/tmp/updatecoingotrade”
  • Executes downloaded file
  • If download fails, tries to delete “private/tmp/updatecoingotrade”
  • Will periodically repeat this routine
  • This file is usually included in a malicious pkg file

  SOLUTION

Minimum Scan Engine: 10.000
FIRST VSAPI PATTERN FILE: 1.506.00
FIRST VSAPI PATTERN DATE: 04 Jun 2020
VSAPI OPR PATTERN File: 1.506.00
VSAPI OPR PATTERN Date: 27 Jun 2020

Scan your computer with your Trend Micro product to delete files detected as Backdoor.MacOS.APPLEJEUS.YXBB-A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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